[PATCH v2 04/29] smiapp: Use CCS register flags

[Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>]

Use the CCS register flags instead of the old smia flags. The
new flags include the register width information that was separate from
the register flags previously.

Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
 drivers/media/i2c/smiapp/smiapp-reg-defs.h |  8 ++++----
 drivers/media/i2c/smiapp/smiapp-regs.c     | 20 +++++++++++++-------
 drivers/media/i2c/smiapp/smiapp-regs.h     | 13 ++++---------
 3 files changed, 21 insertions(+), 20 deletions(-)

diff --git a/drivers/media/i2c/smiapp/smiapp-reg-defs.h b/drivers/media/i2c/smiapp/smiapp-reg-defs.h
index 865488befc09..ec574007908b 100644
--- a/drivers/media/i2c/smiapp/smiapp-reg-defs.h
+++ b/drivers/media/i2c/smiapp/smiapp-reg-defs.h
@@ -7,11 +7,11 @@
  * Copyright (C) 2011--2012 Nokia Corporation
  * Contact: Sakari Ailus <sakari.ailus@xxxxxx>
  */
-#define SMIAPP_REG_MK_U8(r) ((SMIAPP_REG_8BIT << 16) | (r))
-#define SMIAPP_REG_MK_U16(r) ((SMIAPP_REG_16BIT << 16) | (r))
-#define SMIAPP_REG_MK_U32(r) ((SMIAPP_REG_32BIT << 16) | (r))
+#define SMIAPP_REG_MK_U8(r)	(r)
+#define SMIAPP_REG_MK_U16(r)	(CCS_FL_16BIT | (r))
+#define SMIAPP_REG_MK_U32(r)	(CCS_FL_32BIT | (r))
 
-#define SMIAPP_REG_MK_F32(r) (SMIAPP_REG_FLAG_FLOAT | (SMIAPP_REG_32BIT << 16) | (r))
+#define SMIAPP_REG_MK_F32(r)	(CCS_FL_FLOAT_IREAL | CCS_FL_32BIT | (r))
 
 #define SMIAPP_REG_U16_MODEL_ID					SMIAPP_REG_MK_U16(0x0000)
 #define SMIAPP_REG_U8_REVISION_NUMBER_MAJOR			SMIAPP_REG_MK_U8(0x0002)
diff --git a/drivers/media/i2c/smiapp/smiapp-regs.c b/drivers/media/i2c/smiapp/smiapp-regs.c
index 1b58b7c6c839..904054d303ba 100644
--- a/drivers/media/i2c/smiapp/smiapp-regs.c
+++ b/drivers/media/i2c/smiapp/smiapp-regs.c
@@ -133,6 +133,16 @@ static int ____smiapp_read_8only(struct smiapp_sensor *sensor, u16 reg,
 	return 0;
 }
 
+unsigned int ccs_reg_width(u32 reg)
+{
+	if (reg & CCS_FL_16BIT)
+		return sizeof(uint16_t);
+	if (reg & CCS_FL_32BIT)
+		return sizeof(uint32_t);
+
+	return sizeof(uint8_t);
+}
+
 /*
  * Read a 8/16/32-bit i2c register.  The value is returned in 'val'.
  * Returns zero if successful, or non-zero otherwise.
@@ -141,13 +151,9 @@ static int __smiapp_read(struct smiapp_sensor *sensor, u32 reg, u32 *val,
 			 bool only8)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
-	u8 len = SMIAPP_REG_WIDTH(reg);
+	unsigned int len = ccs_reg_width(reg);
 	int rval;
 
-	if (len != SMIAPP_REG_8BIT && len != SMIAPP_REG_16BIT
-	    && len != SMIAPP_REG_32BIT)
-		return -EINVAL;
-
 	if (!only8)
 		rval = ____smiapp_read(sensor, SMIAPP_REG_ADDR(reg), len, val);
 	else
@@ -156,7 +162,7 @@ static int __smiapp_read(struct smiapp_sensor *sensor, u32 reg, u32 *val,
 	if (rval < 0)
 		return rval;
 
-	if (reg & SMIAPP_REG_FLAG_FLOAT)
+	if (reg & CCS_FL_FLOAT_IREAL)
 		*val = float_to_u32_mul_1000000(client, *val);
 
 	return 0;
@@ -204,7 +210,7 @@ int smiapp_write_no_quirk(struct smiapp_sensor *sensor, u32 reg, u32 val)
 	struct i2c_msg msg;
 	unsigned char data[6];
 	unsigned int retries;
-	u8 len = SMIAPP_REG_WIDTH(reg);
+	unsigned int len = ccs_reg_width(reg);
 	int r;
 
 	if (len > sizeof(data) - 2)
diff --git a/drivers/media/i2c/smiapp/smiapp-regs.h b/drivers/media/i2c/smiapp/smiapp-regs.h
index 8fda6ed5668c..7223f5f89109 100644
--- a/drivers/media/i2c/smiapp/smiapp-regs.h
+++ b/drivers/media/i2c/smiapp/smiapp-regs.h
@@ -14,16 +14,9 @@
 #include <linux/i2c.h>
 #include <linux/types.h>
 
-#define SMIAPP_REG_ADDR(reg)		((u16)reg)
-#define SMIAPP_REG_WIDTH(reg)		((u8)(reg >> 16))
-#define SMIAPP_REG_FLAGS(reg)		((u8)(reg >> 24))
-
-/* Use upper 8 bits of the type field for flags */
-#define SMIAPP_REG_FLAG_FLOAT		(1 << 24)
+#include "ccs-regs.h"
 
-#define SMIAPP_REG_8BIT			1
-#define SMIAPP_REG_16BIT		2
-#define SMIAPP_REG_32BIT		4
+#define SMIAPP_REG_ADDR(reg)		((u16)reg)
 
 struct smiapp_sensor;
 
@@ -33,4 +26,6 @@ int smiapp_read_8only(struct smiapp_sensor *sensor, u32 reg, u32 *val);
 int smiapp_write_no_quirk(struct smiapp_sensor *sensor, u32 reg, u32 val);
 int smiapp_write(struct smiapp_sensor *sensor, u32 reg, u32 val);
 
+unsigned int ccs_reg_width(u32 reg);
+
 #endif
-- 
2.27.0